Zipangizo za carbide zokutidwa zili ndi ubwino wotsatira:
(1) Zophimba pamwamba pa chinthucho zimakhala zolimba kwambiri komanso zosagwirizana ndi kuwonongeka. Poyerekeza ndi carbide yosaphimbidwa, carbide yophimbidwa imalola kugwiritsa ntchito liwiro lalikulu lodulira, motero kukonza bwino ntchito, kapena imatha kuwonjezera kwambiri moyo wa chida pa liwiro lomwelo lodulira.
(2) Kuchuluka kwa kukangana pakati pa zinthu zophimbidwa ndi zinthu zokonzedwa ndi kochepa. Poyerekeza ndi carbide yosaphimbidwa ndi simenti, mphamvu yodulira ya carbide yophimbidwa ndi simenti imachepa pang'ono, ndipo khalidwe la pamwamba lokonzedwa ndilabwino.
(3) Chifukwa cha ntchito yake yabwino kwambiri, mpeni wa carbide wokutidwa uli ndi magwiridwe antchito abwino komanso umagwiritsidwa ntchito mosiyanasiyana. Njira yodziwika kwambiri yopangira simenti ya carbide ndi high temperature chemical vapor deposition (HTCVD). Plasma chemical vapor deposition (PCVD) imagwiritsidwa ntchito kuphimba pamwamba pa carbide wokutidwa.
Mitundu yophikira ya odulira mill a carbide opangidwa ndi simenti:
Zipangizo zitatu zodziwika bwino zophikira ndi titanium nitride (TiN), titanium carbonitride (TiCN) ndi titanium aluminide (TiAIN).
Chophimba cha titanium nitride chingawonjezere kuuma ndi kukana kuwonongeka kwa pamwamba pa chida, kuchepetsa kukwanira kwa kukangana, kuchepetsa kupanga m'mphepete mwake, ndikuwonjezera moyo wa chida. Zida zokutidwa ndi titanium nitride ndizoyenera kukonzedwa ndi chitsulo chopanda aloyi komanso chitsulo chosapanga dzimbiri.
Pamwamba pa chophimba cha titanium carbonitride ndi imvi, kuuma kwake kuli kokwera kuposa kwa chophimba cha titanium nitride, ndipo kukana kutha kwake kuli bwino. Poyerekeza ndi chophimba cha titanium nitride, chida chophikira cha titanium carbonitride chikhoza kukonzedwa pa liwiro lalikulu la chakudya ndi liwiro lodulira (40% ndi 60% kuposa cha chophimba cha titanium nitride, motsatana), ndipo kuchuluka kwa zinthu zogwirira ntchito kumakhala kwakukulu. Zida zophimbidwa ndi titanium carbonitride zimatha kukonza zinthu zosiyanasiyana zogwirira ntchito.
Chophimba cha titanium aluminide ndi cha imvi kapena chakuda. Chimakutidwa makamaka pamwamba pa maziko a zida za carbide zomangidwa ndi simenti. Chingathe kukonzedwabe kutentha kodulira kufika pa 800 ℃. Ndi choyenera kudula mouma mwachangu. Pakudula mouma, tchipisi tomwe tili m'dera lodulira tingachotsedwe ndi mpweya wopanikizika. Titanium aluminide ndi yoyenera kukonza zinthu zofooka monga chitsulo cholimba, titanium alloy, nickel-based alloy, cast iron ndi high silicon alloy aluminiyamu.
Kugwiritsa ntchito chophimba cha chodulira cha carbide chopangidwa ndi simenti:
Kupita patsogolo kwa ukadaulo wophimba zida kumaonekeranso mu momwe nano-coating imagwirira ntchito. Kuphimba mazana a zigawo za zipangizo zokhala ndi makulidwe a nanometers angapo pa chida kumatchedwa nano-coating. Kukula kwa tinthu tating'onoting'ono ta nano-coating ndi kochepa kwambiri, kotero malire a tirigu ndi aatali kwambiri, omwe ali ndi kuuma kwakukulu kwa kutentha. , Mphamvu ndi kulimba kwa kusweka.
Kuuma kwa Vickers kwa nano-coating kumatha kufika pa HV2800 ～3000, ndipo kukana kutopa kumawonjezeka ndi 5% ～50% kuposa kwa zinthu za micron. Malinga ndi malipoti, pakadali pano, zida 62 zophikira zokhala ndi zophimba zosinthika za titanium carbide ndi titanium carbonitride ndi zida 400 zophimbidwa ndi TiAlN-TiAlN/Al2O3 zapangidwa.
Poyerekeza ndi zokutira zolimba zomwe zili pamwambapa, sulfide (MoS2, WS2) yokutidwa ndi chitsulo chothamanga kwambiri imatchedwa zokutira zofewa, zomwe zimagwiritsidwa ntchito makamaka podula zitsulo za aluminiyamu zamphamvu kwambiri, zitsulo za titaniyamu ndi zitsulo zina zosowa.
Ngati muli ndi chosowa chilichonse, chonde funsani MSK, tikufuna kupereka zida za kukula koyenera pakanthawi kochepa komanso mapulani a zida zosinthidwa kwa makasitomala.
Nthawi yotumizira: Sep-22-2021
